Los ntawm cov xov tooj smartphones thiab laptops mus rau cov khoom siv tswj kev lag luam nyuaj, Circuit Boards yog cov khoom tseem ceeb.Etching luam tooj liab circuit boardsRaws li ib qho tseem ceeb technology nyob rau hauv Circuit Court board manufacturing, meticulously carve complex thiab meej circuits ntawm tooj liab ntawv ci substrates, nteg lub hauv paus rau ib txwm ua hauj lwm ntawm electronics.
1, Lub hauv paus ntsiab lus ntawm etching luam ntawv tooj liab Circuit Court boards
Kev tsim cov etched luam tawm tooj liab Circuit Court boards yog raws li lub hauv paus ntsiab lus ntawm tshuaj etching. Nyob rau saum npoo ntawm cov tooj liab-clad laminate, ib txheej ntawm corrosion- cov khoom siv tiv taus yog them los ntawm kev luam ntawv thev naus laus zis los tsim cov txheej txheem corrosion-cov txheej txheem tiv thaiv nrog cov qauv tshwj xeeb sib haum rau kev tsim hluav taws xob ntawm Circuit Board. Tom qab ntawd, tooj liab- clad laminate yog immersed nyob rau hauv ib tug etching tov. Cov ntawv ci tooj liab uas tsis muaj kev tiv thaiv los ntawm cov txheej tiv thaiv yuav raug tshuaj lom neeg cov tshuaj tiv thaiv nrog cov tshuaj etching thiab maj mam yaj thiab muab tshem tawm, thaum qhov kev tiv thaiv los ntawm cov txheej tiv thaiv yog khaws cia, thaum kawg tsim cov qauv kev xav tau. Txoj kev no ntawm kev tsim cov circuits los ntawm kev tshem tawm cov ntawv xov tooj ntau dhau los ntawm kev rho tawm muaj qhov tshwj xeeb zoo hauv qhov raug thiab yoog raws, thiab tuaj yeem ua tau raws li qhov xav tau ntawm cov khoom siv hluav taws xob nrog ntau theem ntawm kev nyuaj.
2, txheej txheem ntws ntawm etching luam tooj liab Circuit Court board
(1) Kev npaj substrate
Xaiv cov tooj liab tsim nyog- clad laminate yog thawj kauj ruam hauv kev tsim khoom. Cov khoom siv tooj liab clad laminate muaj xws li FR-4 epoxy iav fiber ntau pawg thawj coj saib, uas muaj cov khoom siv hluav taws xob zoo thiab cov khoom siv dag zog thiab tsim nyog rau feem ntau cov khoom siv hluav taws xob; Rau lub rooj tsav xwm hauv Circuit Court rau siab -frequency signal kis tau tus mob, cov khoom siv zaus xws li polytetrafluoroethylene yuav siv los ua substrates. Tom qab txiav txim siab lub substrate, nws yog ib qho tsim nyog yuav tau txiav nws raws li qhov tsim qhov ntev kom ua tau raws li cov kev qhia tshwj xeeb ntawm lub rooj tsav xwm hauv Circuit Court, thiab ntxuav lub substrate kom tshem tawm cov impurities xws li roj thiab plua plav, kom ntseeg tau qhov adhesion thiab raug ntawm cov txheej txheem tom ntej.
(2) Cov duab hloov pauv
Cov duab hloov pauv yog cov txheej txheem ntawm kev hloov cov duab kos duab kos duab mus rau tooj liab -clad laminates, feem ntau siv txoj hauv kev xws li kev tshuaj ntsuam luam ntawv thiab cov txheej txheem photochemical.
Screen printing: Txheej corrosion-tiv taus number case ntawm tooj liab-clad laminates los ntawm kev tshuaj ntsuam luam ntawv. Cov cheeb tsam hollow ntawm lub phaj phaj tso cai rau tus number case hla dhau thiab ua raws li qhov chaw ntawm cov ntawv ci tooj liab, ua rau corrosion- qauv tiv thaiv. Txoj kev no yog qhov yooj yim rau kev khiav lag luam, tus nqi - zoo, thiab tsim nyog rau kev tsim cov khoom siv hluav taws xob uas tsis muaj qhov yuav tsum tau ua.
Txoj kev Photochemical: Ua ntej, txheej txheej ntawm photosensitive tiv taus yog sib npaug ntawm cov tooj liab- clad board. Tom qab ntawd, cov yeeb yaj kiab tsis zoo nrog cov qauv hauv Circuit Court yog nruj nreem rau ntawm tooj liab -clad board, thiab cov photosensitive tiv thaiv tau txais cov tshuaj tiv thaiv photochemical los ntawm kev raug ultraviolet. Tom qab kis tau, qhov tsis raug ntawm qhov kev tawm tsam yog yaj thiab tshem tawm los ntawm kev txhim kho kev kho mob, thaum lub sij hawm nthuav tawm ntawm qhov kev tawm tsam solidifies los ua tus qauv tiv thaiv. Cov txheej txheem photochemical muaj qhov ua tau zoo thiab tuaj yeem tsim cov kab hluav taws xob zoo, uas tau siv dav hauv kev tsim cov siab -precision circuit boards.
(3) Etching
Etching yog cov kauj ruam tseem ceeb ntawm tag nrho cov txheej txheem. Muab cov tooj liab-clad laminate uas tau dhau los ua cov duab hloov mus rau hauv lub tshuab etching thiab muab tso rau hauv cov tshuaj etching. Cov kev daws teeb meem etching muaj xws li acidic tooj liab chloride etching tov, alkaline etching tov, thiab lwm yam. Thaum lub sij hawm etching txheej txheem, cov tshuaj etching undergoes cov tshuaj tiv thaiv nrog cov ntawv ci tooj liab tsis tiv thaiv, maj mam dissolving tooj liab ntawv ci. Txhawm rau kom ntseeg tau tias qhov sib xws thiab qhov tseeb ntawm etching, nws yog ib qho tsim nyog yuav tsum tau tswj nruj me ntsis xws li qhov kub thiab txias, concentration, etching lub sij hawm, thiab stirring ceev ntawm etching tov. Piv txwv li, qhov kub thiab txias ntau dhau los yog lub sij hawm etching tuaj yeem ua rau etching, ua rau lub voj voog ua thinner los yog tawg; Yog tias qhov kub thiab txias qis dhau los yog lub sijhawm luv dhau, kev ua tsis tiav tuaj yeem tshwm sim.
(4) Kev tshem tawm zaj duab xis thiab kho qhov chaw
Tom qab etching tiav, cov txheej tiv thaiv yuav tsum tau muab tshem tawm. Rau photoresists siv nyob rau hauv photochemical txoj kev, alkaline daws feem ntau yog siv rau kev kho cov yeeb yaj duab tshem tawm; Cov tshuaj tiv thaiv corrosion- tus cwj mem tsis zoo rau kev tshuaj ntsuam luam ntawv tuaj yeem raug tshem tawm los ntawm cov neeg ua haujlwm tso tawm tshwj xeeb. Tom qab tshem tawm cov corrosion- txheej tiv thaiv, ntxuav qhov chaw ntawm lub rooj tsavxwm kom tshem tawm cov tshuaj seem thiab impurities. Txhawm rau txhim kho cov khoom siv hluav taws xob thiab oxidation tsis kam ntawm lub rooj tsav xwm hauv Circuit Court, kev kho deg kuj tseem yuav tsum tau ua, thiab cov txheej txheem muaj xws li cov tshuaj txau, tshuaj kub kub, nyiaj deposition, thiab lwm yam.
(5) Kev kuaj thiab kho
Ua ib qho kev tshuaj ntsuam xyuas ntawm lub rooj tsav xwm ua tiav, suav nrog kev tshuaj xyuas qhov muag, los xyuas seb lub Circuit Court puas tiav, seb puas muaj luv luv lossis qhib circuits; Ntsuas qhov loj los xyuas kom meej tias qhov ntev ntawm lub rooj tsav xwm Circuit Court ua tau raws li cov qauv tsim; Kev ntsuas hluav taws xob ua haujlwm, kuaj xyuas qhov conductivity thiab rwb thaiv tsev kev ua haujlwm ntawm Circuit Court. Rau qhov tsis xws luag, xws li Circuit Court burrs, luv Circuit Court cov ntsiab lus, thiab lwm yam, lawv yuav tsum tau kho kom ntseeg tau tias qhov zoo ntawm lub rooj tsav xwm Circuit Court tau raws li cov qauv.
3, Cov ntsiab lus tseem ceeb rau etching luam ntawv tooj liab Circuit Court boards
(1) Kab raug tswj
Nrog rau kev txhim kho txuas ntxiv ntawm kev sib koom ua ke ntawm cov cuab yeej hluav taws xob, qhov yuav tsum tau ua rau cov khoom siv hluav taws xob hauv Circuit Court qhov tseeb kuj nce ntxiv. Txhawm rau ua kom tiav cov kab zoo, siab - cov cuab yeej raug pom tseeb thiab siab - cov yeeb yaj kiab zoo yuav tsum tau ua hauv cov txheej txheem hloov duab los xyuas kom meej qhov tseeb ntawm cov duab hloov chaw; Thaum lub sij hawm etching txheej txheem, tsis muaj etching tov thiab etching lub sij hawm yuav tsum precisely tswj kom tsis txhob muaj kev cuam tshuam ntawm ntau dhau los yog tsis txaus etching ntawm qhov tseeb ntawm lub Circuit Court. Tsis tas li ntawd, advanced laser direct imaging technology yuav siv tau los hloov cov tsoos zaj duab xis raug txoj kev, ntxiv txhim kho qhov tseeb ntawm lub Circuit Court.
(2) Etching uniformity
Lub uniformity ntawm etching ncaj qha cuam tshuam qhov zoo thiab kev ua tau zoo ntawm Circuit Court boards. Txhawm rau ua kom cov etching zoo ib yam, ntxiv rau kev tswj xyuas nruj me ntsis ntawm cov tshuaj etching, nws tseem yuav tsum tau ua kom zoo dua cov qauv thiab kev ua haujlwm ntawm cov khoom siv etching. Piv txwv li, siv lub tshuab txau etching, cov tshuaj etching yog sib npaug ntawm qhov chaw ntawm lub rooj tsav xwm hauv Circuit Court los ntawm cov tshuaj tsuag lub siab thiab tus nqi ntws; Thaum lub sij hawm etching txheej txheem, xyuas kom meej tias lub Circuit Court board tuav ib tug zoo zog lub xeev nyob rau hauv lub etching tov kom tsis txhob ntau dhau los yog tsis txaus etching hauv zos.
(3) Kev Tiv Thaiv Ib puag ncig
Thaum lub sij hawm tsim cov txheej txheem ntawm etched luam ntawv tooj liab Circuit Court boards, ib tug loj npaum li cas ntawm cov dej khib nyiab, tso pa roj, thiab pov tseg residue yog generated, uas muaj cov teeb meem xws li tooj liab, hnyav hlau ions, thiab tshuaj. Txhawm rau txo cov pa phem ib puag ncig, nws yog ib qho tsim nyog los tsim kom muaj kev kho ib puag ncig zoo. Neutralization, sedimentation, pom thiab lwm yam kev kho mob yog nqa tawm ntawm cov dej khib nyiab kom tshem tawm cov hlau hnyav ions thiab cov tshuaj tua kab mob, kom ua tau raws li cov qauv tso tawm; Kev kho kom huv ntawm cov pa tawm kom tshem tawm cov pa phem; Txheeb cais, sau thiab kho cov khoom pov tseg kom ua tiav cov peev txheej rov ua dua thiab siv.
4, Feem ntau cov teeb meem thiab kev daws teeb meem rau etched luam ntawv tooj liab Circuit Court boards
(1) Kab luv luv Circuit Court
Ib qho luv luv hauv Circuit Court tej zaum yuav tshwm sim los ntawm kev puas tsuaj rau cov txheej txheem tiv thaiv thaum lub sij hawm graphic hloov txheej txheem, adhesion ntawm resist txheej vim yog me me, los yog tsis tiav etching. Cov tshuaj yog nruj me ntsis xyuas qhov zoo ntawm corrosion- txheej resistant thaum lub sij hawm graphic hloov mus los kom ntseeg tau tias nws ncaj ncees thiab tsis muaj kev puas tsuaj; Tsim nyog tsim qhov sib nrug ntawm kab kom tsis txhob muaj kev pheej hmoo ntawm luv luv Circuit Court tshwm sim los ntawm qhov sib nrug me me; Optimize etching txheej txheem tsis kom paub meej etching.
(2) Kab tawg
Kab tawg feem ntau yog tshwm sim los ntawm etching ntau dhau, tev tawm ntawm corrosion- txheej tiv taus, los yog tsis sib xws substrate nto. Los ntawm kev tswj hwm lub sij hawm etching thiab etching kua concentration, ntau etching tuaj yeem tiv thaiv tau; Ua ntej siv cov tshuaj tiv thaiv -corrosion tus neeg sawv cev, lub substrate nto yuav tsum tau kho kom huv si los txhim kho cov adhesion ntawm anti-corrosion txheej; Xaiv cov khoom siv substrate uas tsim nyog zoo thiab du nto kom txo tau qhov tshwm sim ntawm Circuit Court breaks.
(3) Tsis ruaj khov etching ceev
Tsis ruaj khov etching ceev tuaj yeem ua rau tsis sib xws etching thiab cuam tshuam rau qhov tseeb ntawm Circuit Court. Qhov no tej zaum yuav yog vim muaj kev hloov pauv hauv etching tov concentration, tswj qhov kub tsis raug, lossis tsis sib npaug ntawm cov tshuaj. Cov kev daws teeb meem suav nrog kev ntsuam xyuas tsis tu ncua thiab kev hloov kho ntawm etching kua concentration, kev teeb tsa ntawm kev tswj qhov kub thiab txias kom ruaj khov etching kua kub; Optimize lub tshuab nplawm ntawm lub tshuab etching kom ntseeg tau tias sib tov sib xyaw ntawm cov tshuaj.